Ive been researching the walbro pump. And on their chart the pump seems to top out around 110 psi. Im thinking of going turbo so im trying to understand how @ 8 pounds of boost the pump is going to supply adequate fuel; since with a 12:1 fmu that will place the fuel pressure around 140psi

Too tired for the scientific expl., but the charts I've seen have it topping out around 140 @ 12V, 155ish @ 13.5V. Either way, I ran that setup (12:1 FMU, factory reg, stock inj, 8# boost) and it stuck 12.0 afr up through redline.

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'95 GS w/ t3/t4b
FMIC, diy piping & RFL BOV
MS2-Extra Fuel&Spark
50 lb/hr Holley injectors w/ 1:1 RRFPR
JE 8.8:1 dish w/ Hastings Rings
Eagle Rods w/ ARP bolts
ARP Head studs
Mild port/polish head
3" custom DP/cat section, 3" PIT catback
dual MBC - 12 psi / 20psi